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base: iris-ai/iris:archive/2026-09-19/split/11-texture-bindings
iris-ai/iris:main iris-ai/iris:layout/one-ask iris-ai/iris:layout/bounds iris-ai/iris:app-pin iris/iris:main iris/iris:work iris/iris:remove_size_attempt iris/iris:atomics iris/iris:tuple_experiment iris/iris:tuple_attempt
iris-ai/iris:archive/2026-09-19/wip/inset iris-ai/iris:archive/2026-09-19/wip/step3-experiment iris-ai/iris:archive/2026-09-19/wip/local-reask iris-ai/iris:archive/2026-09-19/split/18-position-chain iris-ai/iris:archive/2026-09-19/wip/stack-fraction-twice iris-ai/iris:archive/2026-09-19/wip/padding-outset-and-inset iris-ai/iris:archive/2026-09-19/split/17-headless-rig iris-ai/iris:archive/2026-09-19/split/16-draw-size iris-ai/iris:archive/2026-09-19/split/12-pointer-routing iris-ai/iris:archive/2026-09-19/split/15-harness iris-ai/iris:archive/2026-09-19/split/14-setsize iris-ai/iris:archive/2026-09-19/split/13-wgpu30 iris-ai/iris:archive/2026-09-19/split/11-texture-bindings iris-ai/iris:archive/2026-09-19/split/09-parley-text-clean iris-ai/iris:archive/2026-09-19/split/08-parley-text
..
compare: iris-ai/iris:23376aef257db8e89017cda6e8d5567f478dcc58
iris-ai/iris:layout/one-ask iris-ai/iris:layout/bounds iris-ai/iris:main iris-ai/iris:app-pin iris/iris:main iris/iris:work iris/iris:remove_size_attempt iris/iris:atomics iris/iris:tuple_experiment iris/iris:tuple_attempt
iris-ai/iris:archive/2026-09-19/wip/inset iris-ai/iris:archive/2026-09-19/wip/step3-experiment iris-ai/iris:archive/2026-09-19/wip/local-reask iris-ai/iris:archive/2026-09-19/split/18-position-chain iris-ai/iris:archive/2026-09-19/wip/stack-fraction-twice iris-ai/iris:archive/2026-09-19/wip/padding-outset-and-inset iris-ai/iris:archive/2026-09-19/split/17-headless-rig iris-ai/iris:archive/2026-09-19/split/16-draw-size iris-ai/iris:archive/2026-09-19/split/12-pointer-routing iris-ai/iris:archive/2026-09-19/split/15-harness iris-ai/iris:archive/2026-09-19/split/14-setsize iris-ai/iris:archive/2026-09-19/split/13-wgpu30 iris-ai/iris:archive/2026-09-19/split/11-texture-bindings iris-ai/iris:archive/2026-09-19/split/09-parley-text-clean iris-ai/iris:archive/2026-09-19/split/08-parley-text
16 Commits
archive/2026-09-19/split/11-texture-bindings .. 23376aef25
Author SHA1 Message Date
iris 23376aef25 Say what these do without naming what calls them 
A doc comment that describes another function goes stale when that
function changes, and nobody editing it looks here.
 2026-09-13 21:37:21 -04:00
iris 36fec09d11 Track who is hovered, apart from what consumes 
Hover was per-sensor state that only changed when the walk reached that
sensor, so ending it depended on the walk, which consumption cuts short.
`CursorSenses` now keeps the set of widgets the cursor was inside, in a
new `Event::Global` slot for state a whole event type owns rather than
each widget -- which is also where the input restructure keeps its pointer
capture.

The walk visits only widgets the cursor is inside and stops at the layer
that consumes, as before. Whoever was in the set and is not now has been
left or covered, and gets its `HoverEnd` afterwards, however early the
walk stopped.

Two things fall out. `SensorState` is gone: whether a hover is starting,
on or ending is the difference between the two sets. And the consumption
line loses its `&& in_shape`, since being inside is now the reason the
widget is looked at rather than something to test again.

Nine tests, five of which fail on `main`. `hover_starts_and_ends_once_each`
pins the lifecycle, and `covering_a_widget_ends_its_hover` now returns the
cursor so an uncovered widget hovers again.
 2026-09-13 21:34:01 -04:00
iris 5494642dec End the hover of a widget that gets covered 
Breaking out of the layer loop left every sensor below the consuming
layer untouched, so one that was hovered stayed hovered: moving onto a
widget in a layer above never ended the hover of what it covered, and
nothing ever would.

Consumption now carries into the hit test rather than stopping the walk.
A covered widget is simply not in shape, so its hover ends and its
`HoverEnd` runs; `should_run` already refuses non-position senses once
the hover is not on, so nothing else reaches it. It is applied after a
layer rather than during one, so senses on the same layer still do not
block each other.
 2026-09-13 21:27:35 -04:00
iris 8cac927438 Pin the hover-then-scroll case, and say what the line means 
A wheel makes `position_only` false, so a button already hovered in a
layer above does not consume it -- but the line read as though it might.
`hovering_a_button_above_does_not_stop_a_later_scroll` is that case in the
two frames a window actually delivers it in, and the comment now leads
with it. `resting` is renamed to `position_only`, so the same word is used
throughout.
 2026-09-13 21:07:48 -04:00
iris 827d317f41 Report consumption from run_event 
`Event::consumes` says whether having run uses up what triggered it,
defaulting to no. `run_fn` already calls `should_run` per registration,
so it ors that across everything that ran and hands it back through
`run_event`. `CursorSenses` answers it with the sense it matched: a press
or a scroll is used up, hovering is not.

That drops `TypeEventManager::registered` and the second pass over a
widget's senses -- the match that decides consumption is now the same one
that decides whether the handler runs.

A cursor that is only resting still stops at the layer it is over, which
`run_event` cannot report because nothing need answer for it to be true.
It must not stop at a widget it has merely left, though, or ending a hover
above blocks the hover below: `leaving_a_widget_does_not_block_the_layer_below`
is that case, and it fails on `main` too.
 2026-09-13 20:53:34 -04:00
iris e53ce585e6 Say position-only, and stop falsifying the cursor 
`is_momentary` becomes `position_only` on both the sense and the cursor,
inverted so it reads as what it tests.

A widget the cursor has left was being handed a blanked cursor so its
press senses would not match. `should_run` now skips non-position senses
when the pointer is not inside, which is the same rule without lying
about the input: the widget still gets the real cursor with its hover
ending.

`consumes` loses its `momentary` argument, since the cursor answers that
itself.
 2026-09-13 20:43:38 -04:00
iris f3fd9417d4 Consume by layer, not by widget 
Replaces the taking mechanism with `CursorSenses::consumes`, which
decides only whether a layer stops the input reaching the layer below.
Nothing is removed from the cursor, and senses on one layer no longer
block each other: every sensor the pointer is inside runs.

Where the cursor rests stops at the top layer under it. Something
happening to the cursor stops only at a widget that answers to it, so a
click-only child does not swallow a scroll -- which is what `main` gets
wrong, where any hovered sensor blocks the layer below.

A widget the cursor has left still hears its hover ending, but is handed
no press or scroll: that input landed somewhere else. This is a hit test
rather than a consumption rule, and without it a press beside a button
fires the button it just left.

`a_click_and_a_scroll_in_one_frame_go_to_different_widgets` goes with the
per-kind taking it tested. Of the five that remain, two fail on `main`.
 2026-09-13 20:20:25 -04:00
iris 3ab9c922fd Merge upstream/main (#14) into split/12-pointer-routing 2026-09-13 20:17:06 -04:00
iris-aiandiris 32b10383d8 Rename the Sized widget to SetSize (#14) 
`Sized` shadowed the marker trait, so a `?Sized` bound in any crate that imports the prelude failed to resolve -- a compile error in someone else's code that nothing here would have caught. It was already biting inside iris: `default/mod.rs`, `widget/ptr.rs` and `widget/text/build.rs` all imported `std::marker::Sized` explicitly to get out from under it, which they no longer need.

`SetSize` rather than `FixedSize` because the size it sets need not be fixed -- `width(rest(2))` (a flex weight) and `width(rel(0.5))` (half the parent) build the same widget, and both are more common than `sized((100, 100))`. It also pairs with the `MaxSize` beside it in that module: one sets a length, the other caps it. The builders are unchanged.

`tests/prelude_bounds.rs` is a compile-level guard -- it fails to build if the prelude shadows `Sized` again, which I checked by reverting `src/` under it:

```
error[E0404]: expected trait, found struct `Sized`
 --> tests/prelude_bounds.rs:8:22
  |
8 | fn takes_unsized<T: ?Sized>(_: &T) {}
  |                      ^^^^^ not a trait
```

The pad tab of the tabs example -- the one built out of `sized` and the flexible widths -- renders pixel-identical to before the rename.

---------

Co-authored-by: iris <2+iris@noreply.localhost>
Reviewed-on: iris/iris#14
Co-authored-by: AIris <4+iris-ai@noreply.localhost>
 2026-09-13 20:16:17 -04:00
irisandClaude Opus 5 71ba3723ff Keep momentary input on the widget the cursor is on 
Tests across layers, as asked, and the fifth one found a defect older than
this branch: a press fired on a widget the cursor had just left, because the
frame its hover ends is a frame it still gets dispatched on, and `should_run`
only ever looked at the cursor. A button in the corner of a list therefore
clicked when the press landed anywhere else in the row.

A widget that is not under the cursor now sees a cursor with nothing
momentary in it, which settles both halves of the question at once: it is not
its press to receive, and not its press to take from the layers below.

`CursorSense` and `CursorButton` derive `Debug`, so a failure says which
sense fired rather than `left != right`.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-13 19:22:56 -04:00
iris 0a14df2cc3 Merge canonical main after the wgpu 30 upgrade 2026-09-13 19:16:16 -04:00
irisandClaude Opus 5 0e7076a01c Take input per kind, rather than deciding it once a frame 
Reviewing this against the process we agreed: the title claimed per-kind
routing and the code decided it once for the whole frame. A scroll and a
click in the same frame both went to the button, because a widget that
matched any momentary sense consumed everything.

Consumption is now removing an input from the cursor the layers below see.
`CursorSense::take` states what each sense takes -- exhaustively, so a new
sense has to answer the question rather than inherit a default -- and
`is_momentary` is gone with the enumeration it was written on. `should_run`
and consumption share one matcher instead of two copies of the table.

Two tests, each checked to fail without the change: a click and a scroll in
one frame reach different widgets, and leaving a widget still ends its hover.
The second is a regression this review caught in its own first draft, where
the skip condition used `is_off`, which counts `End` -- the one frame a
hover-end handler has to run on.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
 2026-09-13 19:09:50 -04:00
iris-aiandiris 00d2230b84 Build on wgpu 30 (#13) 
Two majors, and the renderer is under everything else left to extract -- so it goes before the slices that would otherwise be written against wgpu 28 and then again against 30. `image` 0.25.6 -> 0.25.10 rides along. `winit` stays on 0.30.12, since 0.31 is only a prerelease and nothing here needs it; `parley` 0.11.1 is current.

What the API asked for, beyond the version:

- **An instance takes the display it will present on**, and GLES on Wayland needs it, so the window the surface is made from is handed over with it. That one matters for Android rather than for this machine.
- **`get_current_texture` returns a status rather than a `Result`**, which replaced an `unwrap` that would have panicked on a resize or an occluded window: reconfigure when the surface is outdated, lost or suboptimal, and skip the frame when there is nothing to draw into.
- **Presenting moved to the queue**, still after `pre_present_notify`.
- **Bind group and vertex buffer layouts are sparse**, so each slot states `Some(layout)`.

Verified the same way as #11: the tabs example with two runtime-added images, an image alone in a layer, and glyphs from a four-page atlas all render identically. `tests/draw_cost.rs` gives 33.6/167/587/2855 us per frame at 8/64/256/1024 layers, against 33.3/161/588/2903 on wgpu 28 -- no change.

---------

Co-authored-by: iris <2+iris@noreply.localhost>
Reviewed-on: iris/iris#13
Reviewed-by: iris <2+iris@noreply.localhost>
Co-authored-by: AIris <4+iris-ai@noreply.localhost>
 2026-09-13 19:07:47 -04:00
iris f62131eecf Merge canonical main after #11 2026-09-13 19:03:03 -04:00
iris-aiandiris b234497d21 Draw the glyph atlas as an array texture and images with their own bind groups + primitive rendering overhaul 
Replaces the bindless `binding_array<texture_2d<f32>>` the renderer bound every texture through. That array needs `VK_EXT_descriptor_indexing`, which a real share of Android GPUs lack, so the old shape did not run there at all.

The two things being bound want opposite treatment, so they are now split:

- **Glyph atlas pages become layers of one `texture_2d_array`.** A glyph primitive carries a `layer` instead of a view/sampler index pair. A layer index is an ordinary sampling operand, so this needs nothing beyond plain Vulkan 1.0 / GLES. Growing the atlas recreates the array with headroom and `copy_texture_to_texture`s the old layers across, no readback.
- **A standalone image gets its own texture and its own bind group,** and draws in its own call. It no longer needs a per-instance entry in `PrimitiveData`: the bind group has already picked the texture.

`Primitives` keeps images in a list of their own as a result, with `PrimitiveChange::is_image` naming which list a renumbering belongs to -- the two have independent index spaces, so `(layer, inst_idx)` alone would collide between them.

Two notes on judgement calls, since this slice was rebuilt on top of `main` rather than transplanted:

- The source version renamed `GlyphEntry::is_colored` to `is_color` and added a second `IS_COLOR` flag constant beside the existing `GlyphEntry::IS_COLORED`. Both dropped: #10's naming and its `flags()` are kept, and UVs stay `Vec2` rather than going back to `[f32; 2]`.
- `ImageGpu` no longer holds the `Texture` behind its view, which removes an `#[allow(dead_code)]`. A `TextureView` keeps its own reference to the texture, checked by rendering rather than assumed -- see below.

### Verification

```
cargo fmt --all --check
cargo clippy --workspace --all-targets --locked -- -D warnings
cargo test --workspace --locked
```

All clean; the 4 text-edit tests pass. The only clippy output is the pre-existing future-incompatibility notice about `naga`/`wgpu`/`winit`.

Because this is a rendering change, it was also run for real rather than only compiled. The `tabs` example was rendered on this machine's GPU -- Venus onto an RX 7900 XT, confirmed from the loaded ICD (`libvulkan_virtio.so` on `/dev/dri/renderD128`) rather than assumed, since a failed Vulkan init here silently falls back to llvmpipe and would make the screenshots meaningless.

Screenshots before and after the change are **byte-identical** (same md5) in two scenes: the default tab, which exercises text (the atlas path) and rects, and the image tab with a standalone image pushed at startup, which exercises the per-image bind group. The image-tab scene needed a temporary local edit to the example to push the image without a click; that edit is not part of this branch. The same comparison, re-run after dropping the `Texture` field, is still byte-identical -- which is the check that the view alone keeps it alive.

---------

Co-authored-by: iris <2+iris@noreply.localhost>
Reviewed-on: iris/iris#11
Reviewed-by: iris <2+iris@noreply.localhost>
Co-authored-by: AIris <4+iris-ai@noreply.localhost>
 2026-09-13 18:56:59 -04:00
iris 028521b419 Route pointer input per kind, so a scroll falls through a hovered button 
`run_sensors` decided that a widget had consumed the frame's input from
hover alone: if the cursor was inside its shape, no lower layer saw
anything. So a button sitting over a list swallowed the list's scroll,
having registered nothing but `click()`.

Being in shape still runs a widget -- a hover highlight has to fire on the
topmost thing under the cursor regardless -- but consuming is now judged
per input kind. With nothing momentary happening the behaviour is
unchanged and the topmost widget wins the hover; with a scroll or a press
happening, only a widget that registered a matching momentary sense
consumes it.

`TypeEventManager::registered` is what makes that askable: what a widget
would match is a different question from dispatching to it, and `run_fn`
can only answer the second.

tests/pointer_routing.rs drives `run_sensors` directly, with no GPU and no
window. It fails on the unfixed code with "a scroll over the button must
still reach the list underneath it".
 2026-09-13 04:01:22 -04:00
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@@ -2506,16 +2485,6 @@ dependencies = [
"quote", "quote",
] ]
[[package]]
name = "skrifa"
version = "0.39.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c9eb0b904a04d09bd68c65d946617b8ff733009999050f3b851c32fb3cfb60e"
dependencies = [
"bytemuck",
"read-fonts 0.36.0",
]
[[package]] [[package]]
name = "skrifa" name = "skrifa"
version = "0.44.0" version = "0.44.0"
@@ -2523,7 +2492,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "819ab7d62b1d3e72d9d9dea5650bac30424f9111364bb94928dbf5ecad1baa68" checksum = "819ab7d62b1d3e72d9d9dea5650bac30424f9111364bb94928dbf5ecad1baa68"
dependencies = [ dependencies = [
"bytemuck", "bytemuck",
"read-fonts 0.41.0", "read-fonts",
] ]
[[package]] [[package]]
@@ -2583,9 +2552,9 @@ dependencies = [
[[package]] [[package]]
name = "spirv" name = "spirv"
version = "0.3.0+sdk-1.3.268.0" version = "0.4.0+sdk-1.4.341.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "eda41003dc44290527a59b13432d4a0379379fa074b70174882adfbdfd917844" checksum = "d9571ea910ebd84c86af4b3ed27f9dbdc6ad06f17c5f96146b2b671e2976744f"
dependencies = [ dependencies = [
"bitflags 2.10.0", "bitflags 2.10.0",
] ]
@@ -2614,7 +2583,7 @@ version = "0.2.10"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6c2499c2d826531388872b2268718aed907a39bd785ab0dcfe57fab26283f92e" checksum = "6c2499c2d826531388872b2268718aed907a39bd785ab0dcfe57fab26283f92e"
dependencies = [ dependencies = [
"skrifa 0.39.0", "skrifa",
"yazi", "yazi",
"zeno", "zeno",
] ]
@@ -2703,16 +2672,16 @@ dependencies = [
[[package]] [[package]]
name = "tiff" name = "tiff"
version = "0.10.3" version = "0.11.3"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "af9605de7fee8d9551863fd692cce7637f548dbd9db9180fcc07ccc6d26c336f" checksum = "b63feaf3343d35b6ca4d50483f94843803b0f51634937cc2ec519fc32232bc52"
dependencies = [ dependencies = [
"fax", "fax",
"flate2", "flate2",
"half", "half",
"quick-error", "quick-error",
"weezl", "weezl",
"zune-jpeg 0.4.21", "zune-jpeg",
] ]
[[package]] [[package]]
@@ -2885,9 +2854,9 @@ dependencies = [
[[package]] [[package]]
name = "wasm-bindgen" name = "wasm-bindgen"
version = "0.2.106" version = "0.2.128"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0d759f433fa64a2d763d1340820e46e111a7a5ab75f993d1852d70b03dbb80fd" checksum = "aecb87a33d3b0c5e3b7aa46336eaf486cffafbd281b195e4c8b80d50df2351bf"
dependencies = [ dependencies = [
"cfg-if", "cfg-if",
"once_cell", "once_cell",
@@ -2898,22 +2867,19 @@ dependencies = [
[[package]] [[package]]
name = "wasm-bindgen-futures" name = "wasm-bindgen-futures"
version = "0.4.56" version = "0.4.78"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "836d9622d604feee9e5de25ac10e3ea5f2d65b41eac0d9ce72eb5deae707ce7c" checksum = "6ef4c5d3d2cdf5c54f4231181768f5510842e350db025faf1f7163b1030ed928"
dependencies = [ dependencies = [
"cfg-if",
"js-sys", "js-sys",
"once_cell",
"wasm-bindgen", "wasm-bindgen",
"web-sys",
] ]
[[package]] [[package]]
name = "wasm-bindgen-macro" name = "wasm-bindgen-macro"
version = "0.2.106" version = "0.2.128"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "48cb0d2638f8baedbc542ed444afc0644a29166f1595371af4fecf8ce1e7eeb3" checksum = "a690d511e3c1a8b3a55e33511e3c2c00c78415cd23650f32b808627f5696b9ed"
dependencies = [ dependencies = [
"quote", "quote",
"wasm-bindgen-macro-support", "wasm-bindgen-macro-support",
@@ -2921,22 +2887,22 @@ dependencies = [
[[package]] [[package]]
name = "wasm-bindgen-macro-support" name = "wasm-bindgen-macro-support"
version = "0.2.106" version = "0.2.128"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cefb59d5cd5f92d9dcf80e4683949f15ca4b511f4ac0a6e14d4e1ac60c6ecd40" checksum = "411e4887f0071ef2d2164a9d5fdf2d20efbef78fccd3a78b0c10a1dc5295e48a"
dependencies = [ dependencies = [
"bumpalo", "bumpalo",
"proc-macro2", "proc-macro2",
"quote", "quote",
"syn 2.0.113", "syn 3.0.5",
"wasm-bindgen-shared", "wasm-bindgen-shared",
] ]
[[package]] [[package]]
name = "wasm-bindgen-shared" name = "wasm-bindgen-shared"
version = "0.2.106" version = "0.2.128"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cbc538057e648b67f72a982e708d485b2efa771e1ac05fec311f9f63e5800db4" checksum = "81941cd78d0c92026c33e5e01312845a4cb1e9af3407f9134b100dd03144103e"
dependencies = [ dependencies = [
"unicode-ident", "unicode-ident",
] ]
@@ -3052,9 +3018,9 @@ dependencies = [
[[package]] [[package]]
name = "web-sys" name = "web-sys"
version = "0.3.83" version = "0.3.105"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9b32828d774c412041098d182a8b38b16ea816958e07cf40eec2bc080ae137ac" checksum = "9fbddc4a036f00ec4f18c83445bd3115cb306a91da554919a099d9222fe4a7f8"
dependencies = [ dependencies = [
"js-sys", "js-sys",
"wasm-bindgen", "wasm-bindgen",
@@ -3078,9 +3044,9 @@ checksum = "a28ac98ddc8b9274cb41bb4d9d4d5c425b6020c50c46f25559911905610b4a88"
[[package]] [[package]]
name = "wgpu" name = "wgpu"
version = "28.0.0" version = "30.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f9cb534d5ffd109c7d1135f34cdae29e60eab94855a625dcfe1705f8bc7ad79f" checksum = "527ccdf43dd5b2e8676eed9984ce00e2bbb0a1b85b70c1969dcb6cd2eb55ab9e"
dependencies = [ dependencies = [
"arrayvec", "arrayvec",
"bitflags 2.10.0", "bitflags 2.10.0",
@@ -3088,7 +3054,7 @@ dependencies = [
"cfg-if", "cfg-if",
"cfg_aliases", "cfg_aliases",
"document-features", "document-features",
"hashbrown 0.16.1", "hashbrown 0.17.1",
"js-sys", "js-sys",
"log", "log",
"naga", "naga",
@@ -3108,9 +3074,9 @@ dependencies = [
[[package]] [[package]]
name = "wgpu-core" name = "wgpu-core"
version = "28.0.0" version = "30.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8bb4c8b5db5f00e56f1f08869d870a0dff7c8bc7ebc01091fec140b0cf0211a9" checksum = "14c018fce9b6270aa203c2fdd56f3cce996713534bd757e4ea58c8560b121f14"
dependencies = [ dependencies = [
"arrayvec", "arrayvec",
"bit-set", "bit-set",
@@ -3119,10 +3085,11 @@ dependencies = [
"bytemuck", "bytemuck",
"cfg_aliases", "cfg_aliases",
"document-features", "document-features",
"hashbrown 0.16.1", "hashbrown 0.17.1",
"indexmap", "indexmap",
"log", "log",
"naga", "naga",
"naga-types",
"once_cell", "once_cell",
"parking_lot", "parking_lot",
"portable-atomic", "portable-atomic",
@@ -3135,66 +3102,70 @@ dependencies = [
"wgpu-core-deps-emscripten", "wgpu-core-deps-emscripten",
"wgpu-core-deps-windows-linux-android", "wgpu-core-deps-windows-linux-android",
"wgpu-hal", "wgpu-hal",
"wgpu-naga-bridge",
"wgpu-types", "wgpu-types",
] ]
[[package]] [[package]]
name = "wgpu-core-deps-apple" name = "wgpu-core-deps-apple"
version = "28.0.0" version = "30.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "87b7b696b918f337c486bf93142454080a32a37832ba8a31e4f48221890047da" checksum = "061f3d319a40d39d00b1ecc2c33b89fe21d4e6fe01859df3500a3a8ecccd6b68"
dependencies = [ dependencies = [
"wgpu-hal", "wgpu-hal",
] ]
[[package]] [[package]]
name = "wgpu-core-deps-emscripten" name = "wgpu-core-deps-emscripten"
version = "28.0.0" version = "30.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "34b251c331f84feac147de3c4aa3aa45112622a95dd7ee1b74384fa0458dbd79" checksum = "d98b86cf4abf524a902dd35f18ca6a3f08fc2ae9847c8f10b48e30491b1f0b86"
dependencies = [ dependencies = [
"wgpu-hal", "wgpu-hal",
] ]
[[package]] [[package]]
name = "wgpu-core-deps-windows-linux-android" name = "wgpu-core-deps-windows-linux-android"
version = "28.0.0" version = "30.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "68ca976e72b2c9964eb243e281f6ce7f14a514e409920920dcda12ae40febaae" checksum = "7586165fd5f6d881cb9ce4bb71f40d6caab2c0f1837e3fc1d9788a197fb6004f"
dependencies = [ dependencies = [
"wgpu-hal", "wgpu-hal",
] ]
[[package]] [[package]]
name = "wgpu-hal" name = "wgpu-hal"
version = "28.0.0" version = "30.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "293080d77fdd14d6b08a67c5487dfddbf874534bb7921526db56a7b75d7e3bef" checksum = "b6b7fb58561a792bc237628ba0792e332de418fefe145f13b5ed8201e6d52f58"
dependencies = [ dependencies = [
"android_system_properties", "android_system_properties",
"arrayvec", "arrayvec",
"ash", "ash",
"bit-set", "bit-set",
"bitflags 2.10.0", "bitflags 2.10.0",
"block", "block2 0.6.2",
"bytemuck", "bytemuck",
"cfg-if", "cfg-if",
"cfg_aliases", "cfg_aliases",
"core-graphics-types 0.2.0",
"glow", "glow",
"glutin_wgl_sys", "glutin_wgl_sys",
"gpu-allocator", "gpu-allocator",
"gpu-descriptor", "hashbrown 0.17.1",
"hashbrown 0.16.1",
"js-sys", "js-sys",
"khronos-egl", "khronos-egl",
"libc", "libc",
"libloading", "libloading",
"log", "log",
"metal",
"naga", "naga",
"naga-types",
"ndk-sys", "ndk-sys",
"objc", "objc2 0.6.4",
"objc2-core-foundation",
"objc2-core-graphics",
"objc2-foundation 0.3.2",
"objc2-metal 0.3.2",
"objc2-quartz-core 0.3.2",
"once_cell", "once_cell",
"ordered-float", "ordered-float",
"parking_lot", "parking_lot",
@@ -3203,26 +3174,44 @@ dependencies = [
"profiling", "profiling",
"range-alloc", "range-alloc",
"raw-window-handle", "raw-window-handle",
"raw-window-metal",
"renderdoc-sys", "renderdoc-sys",
"smallvec", "smallvec",
"static_assertions",
"thiserror 2.0.17", "thiserror 2.0.17",
"wasm-bindgen", "wasm-bindgen",
"wayland-sys",
"web-sys", "web-sys",
"wgpu-naga-bridge",
"wgpu-types", "wgpu-types",
"windows", "windows",
"windows-core", "windows-core",
"windows-result",
]
[[package]]
name = "wgpu-naga-bridge"
version = "30.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d2f62e73117bb7a62bfd9c5a5841438a823f6566c6442a808ee269d2d055c081"
dependencies = [
"naga",
"wgpu-types",
] ]
[[package]] [[package]]
name = "wgpu-types" name = "wgpu-types"
version = "28.0.0" version = "30.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e18308757e594ed2cd27dddbb16a139c42a683819d32a2e0b1b0167552f5840c" checksum = "99dad6f1fbdbbdb4c278a6508b059d44688f5cebddf78d005a46a31340269286"
dependencies = [ dependencies = [
"bitflags 2.10.0", "bitflags 2.10.0",
"bytemuck", "bytemuck",
"js-sys", "js-sys",
"log", "log",
"naga-types",
"raw-window-handle",
"static_assertions",
"web-sys", "web-sys",
] ]
@@ -3586,12 +3575,12 @@ dependencies = [
"android-activity", "android-activity",
"atomic-waker", "atomic-waker",
"bitflags 2.10.0", "bitflags 2.10.0",
"block2", "block2 0.5.1",
"bytemuck", "bytemuck",
"calloop", "calloop",
"cfg_aliases", "cfg_aliases",
"concurrent-queue", "concurrent-queue",
"core-foundation 0.9.4", "core-foundation",
"core-graphics", "core-graphics",
"cursor-icon", "cursor-icon",
"dpi", "dpi",
@@ -3858,12 +3847,6 @@ dependencies = [
"syn 3.0.5", "syn 3.0.5",
] ]
[[package]]
name = "zune-core"
version = "0.4.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3f423a2c17029964870cfaabb1f13dfab7d092a62a29a89264f4d36990ca414a"
[[package]] [[package]]
name = "zune-core" name = "zune-core"
version = "0.5.0" version = "0.5.0"
@@ -3879,20 +3862,11 @@ dependencies = [
"simd-adler32", "simd-adler32",
] ]
[[package]]
name = "zune-jpeg"
version = "0.4.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "29ce2c8a9384ad323cf564b67da86e21d3cfdff87908bc1223ed5c99bc792713"
dependencies = [
"zune-core 0.4.12",
]
[[package]] [[package]]
name = "zune-jpeg" name = "zune-jpeg"
version = "0.5.8" version = "0.5.8"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e35aee689668bf9bd6f6f3a6c60bb29ba1244b3b43adfd50edd554a371da37d5" checksum = "e35aee689668bf9bd6f6f3a6c60bb29ba1244b3b43adfd50edd554a371da37d5"
dependencies = [ dependencies = [
"zune-core 0.5.0", "zune-core",
] ]
Cargo.toml
+2 -2
View File
@@ -29,9 +29,9 @@ edition = "2024"
[workspace.dependencies] [workspace.dependencies]
pollster = "0.4.0" pollster = "0.4.0"
winit = "0.30.12" winit = "0.30.12"
wgpu = "28.0.0" wgpu = "30.0.1"
bytemuck = "1.23.1" bytemuck = "1.23.1"
image = "0.25.6" image = "0.25.10"
parley = "0.11.1" parley = "0.11.1"
swash = "0.2.10" swash = "0.2.10"
fxhash = "0.2.1" fxhash = "0.2.1"
core/src/event/manager.rs
+6 -1
View File
@@ -79,6 +79,7 @@ type EventData<Rsc, E> = (E, Rc<dyn for<'a> EventFn<Rsc, <E as Event>::Data<'a>>
pub struct TypeEventManager<Rsc: HasEvents, E: Event> { pub struct TypeEventManager<Rsc: HasEvents, E: Event> {
// TODO: reduce visiblity!! // TODO: reduce visiblity!!
pub active: HashMap<LayerId, HashMap<WidgetId, E::State>>, pub active: HashMap<LayerId, HashMap<WidgetId, E::State>>,
pub global: E::Global,
map: HashMap<WidgetId, Vec<EventData<Rsc, E>>>, map: HashMap<WidgetId, Vec<EventData<Rsc, E>>>,
} }
@@ -107,6 +108,7 @@ impl<Rsc: HasEvents, E: Event> Default for TypeEventManager<Rsc, E> {
fn default() -> Self { fn default() -> Self {
Self { Self {
active: Default::default(), active: Default::default(),
global: Default::default(),
map: Default::default(), map: Default::default(),
} }
} }
@@ -138,11 +140,13 @@ impl<Rsc: HasEvents + 'static, E: Event> TypeEventManager<Rsc, E> {
pub fn run_fn<'a>( pub fn run_fn<'a>(
&mut self, &mut self,
id: impl IdLike, id: impl IdLike,
) -> impl for<'b> FnOnce(EventCtx<'_, Rsc, E::Data<'b>>, &mut Rsc) + 'a { ) -> impl for<'b> FnOnce(EventCtx<'_, Rsc, E::Data<'b>>, &mut Rsc) -> bool + 'a {
let fs = self.map.get(&id.id()).cloned().unwrap_or_default(); let fs = self.map.get(&id.id()).cloned().unwrap_or_default();
move |ctx, rsc| { move |ctx, rsc| {
let mut consumed = false;
for (e, f) in fs { for (e, f) in fs {
if let Some(data) = e.should_run(&ctx.data) { if let Some(data) = e.should_run(&ctx.data) {
consumed |= e.consumes(&data);
f( f(
EventCtx { EventCtx {
state: ctx.state, state: ctx.state,
@@ -152,6 +156,7 @@ impl<Rsc: HasEvents + 'static, E: Event> TypeEventManager<Rsc, E> {
) )
} }
} }
consumed
} }
} }
} }
core/src/event/mod.rs
+9
View File
@@ -9,10 +9,19 @@ pub use rsc::*;
pub trait Event: Sized + 'static + Clone { pub trait Event: Sized + 'static + Clone {
type Data<'a>: Clone = (); type Data<'a>: Clone = ();
type State: Default = (); type State: Default = ();
/// State the whole event type keeps, rather than one copy per widget.
type Global: Default = ();
#[allow(unused_variables)] #[allow(unused_variables)]
fn should_run<'a>(&self, data: &Self::Data<'a>) -> Option<Self::Data<'a>> { fn should_run<'a>(&self, data: &Self::Data<'a>) -> Option<Self::Data<'a>> {
Some(data.clone()) Some(data.clone())
} }
/// Whether having run on this data uses up whatever triggered it, so
/// nothing further should see it.
#[allow(unused_variables)]
fn consumes(&self, data: &Self::Data<'_>) -> bool {
false
}
} }
pub trait EventLike { pub trait EventLike {
core/src/event/rsc.rs
+2 -1
View File
@@ -21,12 +21,13 @@ pub trait HasEvents: Sized + UiRsc + HasState {
} }
pub trait RunEvents: HasEvents { pub trait RunEvents: HasEvents {
/// Whether anything that ran used up what triggered it.
fn run_event<E: EventLike>( fn run_event<E: EventLike>(
&mut self, &mut self,
id: impl IdLike, id: impl IdLike,
data: <E::Event as Event>::Data<'_>, data: <E::Event as Event>::Data<'_>,
state: &mut Self::State, state: &mut Self::State,
) { ) -> bool {
let f = self.events_mut().get_type::<E>().run_fn(id); let f = self.events_mut().get_type::<E>().run_fn(id);
f(EventCtx { state, data }, self) f(EventCtx { state, data }, self)
} }
core/src/render/mod.rs
+3 -3
View File
@@ -186,8 +186,8 @@ impl UiRenderNode {
for source in &registry.sources()[self.primitives.len()..] { for source in &registry.sources()[self.primitives.len()..] {
let render = (source.render)(device, queue); let render = (source.render)(device, queue);
let data_layout = Self::data_layout(device, source.stride); let data_layout = Self::data_layout(device, source.stride);
let mut groups = vec![&self.shared_layout, &data_layout]; let mut groups = vec![Some(&self.shared_layout), Some(&data_layout)];
groups.extend(render.layout()); groups.extend(render.layout().map(Some));
let layout = device.create_pipeline_layout(&PipelineLayoutDescriptor { let layout = device.create_pipeline_layout(&PipelineLayoutDescriptor {
label: Some(source.label), label: Some(source.label),
bind_group_layouts: &groups, bind_group_layouts: &groups,
@@ -219,7 +219,7 @@ impl UiRenderNode {
vertex: VertexState { vertex: VertexState {
module: &module, module: &module,
entry_point: Some("vs_main"), entry_point: Some("vs_main"),
buffers: &[PrimitiveInstance::desc()], buffers: &[Some(PrimitiveInstance::desc())],
compilation_options: Default::default(), compilation_options: Default::default(),
}, },
fragment: Some(FragmentState { fragment: Some(FragmentState {
src/default/mod.rs
+1 -5
View File
@@ -1,10 +1,6 @@
use crate::prelude::*; use crate::prelude::*;
use arboard::Clipboard; use arboard::Clipboard;
use std::{ use std::{marker::PhantomData, sync::Arc, time::Instant};
marker::{PhantomData, Sized},
sync::Arc,
time::Instant,
};
use winit::{ use winit::{
event::{Ime, WindowEvent}, event::{Ime, WindowEvent},
event_loop::{ActiveEventLoop, EventLoopProxy}, event_loop::{ActiveEventLoop, EventLoopProxy},
src/default/render.rs
+20 -4
View File
@@ -22,7 +22,20 @@ impl UiRenderer {
} }
pub fn draw(&mut self) { pub fn draw(&mut self) {
let output = self.surface.get_current_texture().unwrap(); let output = match self.surface.get_current_texture() {
CurrentSurfaceTexture::Success(texture) => texture,
CurrentSurfaceTexture::Suboptimal(texture) => {
self.surface.configure(&self.device, &self.config);
texture
}
CurrentSurfaceTexture::Outdated | CurrentSurfaceTexture::Lost => {
self.surface.configure(&self.device, &self.config);
return;
}
CurrentSurfaceTexture::Timeout
| CurrentSurfaceTexture::Occluded
| CurrentSurfaceTexture::Validation => return,
};
let view = output let view = output
.texture .texture
.create_view(&TextureViewDescriptor::default()); .create_view(&TextureViewDescriptor::default());
@@ -46,7 +59,7 @@ impl UiRenderer {
self.queue.submit(std::iter::once(encoder.finish())); self.queue.submit(std::iter::once(encoder.finish()));
self.window.pre_present_notify(); self.window.pre_present_notify();
output.present(); self.queue.present(output);
} }
pub fn resize(&mut self, size: &PhysicalSize<u32>) { pub fn resize(&mut self, size: &PhysicalSize<u32>) {
@@ -65,9 +78,10 @@ impl UiRenderer {
pub fn new(window: Arc<Window>) -> Self { pub fn new(window: Arc<Window>) -> Self {
let size = window.inner_size(); let size = window.inner_size();
let instance = Instance::new(&InstanceDescriptor { let instance = Instance::new(InstanceDescriptor {
backends: Backends::PRIMARY, backends: Backends::PRIMARY,
..Default::default() display: Some(Box::new(window.clone())),
..InstanceDescriptor::new_without_display_handle()
}); });
let surface = instance let surface = instance
@@ -79,6 +93,7 @@ impl UiRenderer {
power_preference: PowerPreference::default(), power_preference: PowerPreference::default(),
compatible_surface: Some(&surface), compatible_surface: Some(&surface),
force_fallback_adapter: false, force_fallback_adapter: false,
apply_limit_buckets: false,
}) })
.block_on() .block_on()
.expect("Could not get adapter!"); .expect("Could not get adapter!");
@@ -105,6 +120,7 @@ impl UiRenderer {
let config = SurfaceConfiguration { let config = SurfaceConfiguration {
usage: TextureUsages::RENDER_ATTACHMENT, usage: TextureUsages::RENDER_ATTACHMENT,
format: surface_format, format: surface_format,
color_space: SurfaceColorSpace::Auto,
width: size.width, width: size.width,
height: size.height, height: size.height,
present_mode: PresentMode::AutoVsync, present_mode: PresentMode::AutoVsync,
src/default/sense.rs
+89 -29
View File
@@ -4,14 +4,14 @@ use std::{
rc::Rc, rc::Rc,
}; };
#[derive(Clone, Copy, PartialEq)] #[derive(Debug, Clone, Copy, PartialEq)]
pub enum CursorButton { pub enum CursorButton {
Left, Left,
Right, Right,
Middle, Middle,
} }
#[derive(Clone, Copy, PartialEq)] #[derive(Debug, Clone, Copy, PartialEq)]
pub enum CursorSense { pub enum CursorSense {
PressStart(CursorButton), PressStart(CursorButton),
Pressing(CursorButton), Pressing(CursorButton),
@@ -27,7 +27,10 @@ pub struct CursorSenses(Vec<CursorSense>);
impl Event for CursorSenses { impl Event for CursorSenses {
type Data<'a> = CursorData<'a>; type Data<'a> = CursorData<'a>;
type State = SensorState; /// Who the cursor was inside on the last input, which is what says whose
/// hover has ended -- including a widget a higher layer has since covered,
/// which this walk never reaches.
type Global = Vec<WidgetId>;
fn should_run<'a>(&self, data: &Self::Data<'a>) -> Option<Self::Data<'a>> { fn should_run<'a>(&self, data: &Self::Data<'a>) -> Option<Self::Data<'a>> {
if let Some(sense) = should_run(self, &data.cursor, data.hover) { if let Some(sense) = should_run(self, &data.cursor, data.hover) {
let mut data = data.clone(); let mut data = data.clone();
@@ -37,6 +40,12 @@ impl Event for CursorSenses {
None None
} }
} }
/// A press or a scroll is used up by whatever answered it, so it stops
/// there. Hovering is not: a cursor resting somewhere goes on resting.
fn consumes(&self, data: &Self::Data<'_>) -> bool {
!data.sense.position_only()
}
} }
impl CursorSense { impl CursorSense {
@@ -52,6 +61,12 @@ impl CursorSense {
pub fn is_dragging(&self) -> bool { pub fn is_dragging(&self) -> bool {
matches!(self, CursorSense::Pressing(CursorButton::Left)) matches!(self, CursorSense::Pressing(CursorButton::Left))
} }
/// False if the sense is a button or a scroll, true if it is only about
/// where the cursor is.
fn position_only(&self) -> bool {
matches!(self, Self::HoverStart | Self::Hovering | Self::HoverEnd)
}
} }
#[derive(Default, Clone)] #[derive(Default, Clone)]
@@ -96,6 +111,12 @@ impl CursorButtons {
} }
impl CursorState { impl CursorState {
/// True if the cursor is only reporting where it is: no button and no
/// scroll this frame.
pub fn position_only(&self) -> bool {
self.scroll_delta == Vec2::ZERO && self.buttons.iter().all(|(_, state)| state.is_off())
}
pub fn end_frame(&mut self) { pub fn end_frame(&mut self) {
self.buttons.end_frame(); self.buttons.end_frame();
self.scroll_delta = Vec2::ZERO; self.scroll_delta = Vec2::ZERO;
@@ -123,11 +144,6 @@ pub struct Sensor<Ctx: HasEvents, Data> {
pub type SenseShape = UiRegion; pub type SenseShape = UiRegion;
#[derive(Default, Debug)]
pub struct SensorState {
pub hover: ActivationState,
}
#[derive(Clone)] #[derive(Clone)]
pub struct CursorData<'a> { pub struct CursorData<'a> {
/// where this widget was hit /// where this widget was hit
@@ -163,40 +179,79 @@ impl SensorUi for UiRenderState {
// this would probably be done through a generic parameter that adds yet another rsc / // this would probably be done through a generic parameter that adds yet another rsc /
// state like thing, but local to render state, and is passed to UiRsc events so you can // state like thing, but local to render state, and is passed to UiRsc events so you can
// update it there? // update it there?
let mut active = std::mem::take(&mut rsc.events_mut().get_type::<CursorSense>().active); let active = std::mem::take(&mut rsc.events_mut().get_type::<CursorSense>().active);
let was = std::mem::take(&mut rsc.events_mut().get_type::<CursorSense>().global);
let position_only = cursor.position_only();
let mut now: Vec<WidgetId> = Vec::new();
let region_of = |id| Some(self.active.get(&id)?.region.to_px(window_size));
for layer in self.layers.indices().rev() { for layer in self.layers.indices().rev() {
let mut sensed = false; let mut consumed = false;
for (id, sensor) in active.get_mut(&layer).into_flat_iter() { for id in active.get(&layer).into_flat_iter().map(|(id, _)| *id) {
let shape = self.active.get(id).unwrap().region; let Some(region) = region_of(id) else {
let region = shape.to_px(window_size); continue;
let in_shape = cursor.exists && region.contains(cursor.pos); };
sensor.hover.update(in_shape); if !cursor.exists || !region.contains(cursor.pos) {
if sensor.hover == ActivationState::Off {
continue; continue;
} }
sensed = true; now.push(id);
let hover = match was.contains(&id) {
true => ActivationState::On,
false => ActivationState::Start,
};
// A press or a scroll stops where something answered it, so a
// button over a list does not swallow the list's scrolling.
consumed |= deliver(self, rsc, state, id, hover, &cursor, region);
// A cursor doing neither stops at whatever it is over, so
// hovering does not reach through.
consumed |= position_only;
}
// Applied after the layer, never during it: senses on one layer do
// not block each other.
if consumed {
break;
}
}
let cursor = cursor.clone(); // Whatever the cursor was inside and is not now, whether it left or a
// layer above took the input before the walk reached it. A widget that
// stopped being drawn has no region to report and is simply dropped.
for id in was {
if !now.contains(&id)
&& let Some(region) = region_of(id)
{
deliver(self, rsc, state, id, ActivationState::End, &cursor, region);
}
}
let senses = rsc.events_mut().get_type::<CursorSense>();
senses.active = active;
senses.global = now;
}
}
/// Runs one widget's cursor senses, and says whether they used up the input.
fn deliver<Rsc: HasEvents>(
render: &UiRenderState,
rsc: &mut Rsc,
state: &mut Rsc::State,
id: WidgetId,
hover: ActivationState,
cursor: &CursorState,
region: PixelRegion,
) -> bool {
let data = CursorData { let data = CursorData {
pos: cursor.pos - region.top_left, pos: cursor.pos - region.top_left,
size: region.bot_right - region.top_left, size: region.bot_right - region.top_left,
scroll_delta: cursor.scroll_delta, scroll_delta: cursor.scroll_delta,
hover: sensor.hover, hover,
cursor, cursor: cursor.clone(),
// this does not have any meaning; // this does not have any meaning;
// might wanna set up Event to have a prepare stage // might wanna set up Event to have a prepare stage
sense: CursorSense::Hovering, sense: CursorSense::Hovering,
render: self, render,
}; };
rsc.run_event::<CursorSense>(*id, data, state); rsc.run_event::<CursorSense>(id, data, state)
}
if sensed {
break;
}
}
rsc.events_mut().get_type::<CursorSense>().active = active;
}
} }
pub fn should_run( pub fn should_run(
@@ -205,6 +260,11 @@ pub fn should_run(
hover: ActivationState, hover: ActivationState,
) -> Option<CursorSense> { ) -> Option<CursorSense> {
for sense in senses.iter() { for sense in senses.iter() {
// A widget the cursor is no longer inside senses only its position:
// the press that ended its hover landed on something else.
if !hover.is_on() && !sense.position_only() {
continue;
}
if match sense { if match sense {
CursorSense::PressStart(button) => cursor.buttons.select(button).is_start(), CursorSense::PressStart(button) => cursor.buttons.select(button).is_start(),
CursorSense::Pressing(button) => cursor.buttons.select(button).is_on(), CursorSense::Pressing(button) => cursor.buttons.select(button).is_on(),
src/widget/position/mod.rs
+2 -2
View File
@@ -4,7 +4,7 @@ mod max_size;
mod offset; mod offset;
mod pad; mod pad;
mod scroll; mod scroll;
mod sized; mod set_size;
mod span; mod span;
mod stack; mod stack;
@@ -14,6 +14,6 @@ pub use max_size::*;
pub use offset::*; pub use offset::*;
pub use pad::*; pub use pad::*;
pub use scroll::*; pub use scroll::*;
pub use sized::*; pub use set_size::*;
pub use span::*; pub use span::*;
pub use stack::*; pub use stack::*;
src/widget/position/sized.rs → src/widget/position/set_size.rs
+3 -3
View File
@@ -1,12 +1,12 @@
use crate::prelude::*; use crate::prelude::*;
pub struct Sized { pub struct SetSize {
pub inner: StrongWidget, pub inner: StrongWidget,
pub x: Option<Len>, pub x: Option<Len>,
pub y: Option<Len>, pub y: Option<Len>,
} }
impl Sized { impl SetSize {
fn apply_to_outer(&self, ctx: &mut SizeCtx) { fn apply_to_outer(&self, ctx: &mut SizeCtx) {
if let Some(x) = self.x { if let Some(x) = self.x {
ctx.outer.x.select_len(x.apply_rest()); ctx.outer.x.select_len(x.apply_rest());
@@ -17,7 +17,7 @@ impl Sized {
} }
} }
impl Widget for Sized { impl Widget for SetSize {
fn draw(&mut self, painter: &mut Painter) { fn draw(&mut self, painter: &mut Painter) {
painter.widget(&self.inner); painter.widget(&self.inner);
} }
src/widget/ptr.rs
+1 -1
View File
@@ -1,5 +1,5 @@
use crate::prelude::*; use crate::prelude::*;
use std::marker::{Sized, Unsize}; use std::marker::Unsize;
pub struct WidgetPtr { pub struct WidgetPtr {
pub inner: Option<StrongWidget>, pub inner: Option<StrongWidget>,
src/widget/text/build.rs
+1 -1
View File
@@ -1,5 +1,5 @@
use crate::prelude::*; use crate::prelude::*;
use std::marker::{PhantomData, Sized}; use std::marker::PhantomData;
pub struct TextBuilder<State, O = TextOutput, H: WidgetOption<State> = ()> { pub struct TextBuilder<State, O = TextOutput, H: WidgetOption<State> = ()> {
pub content: String, pub content: String,
src/widget/trait_fns.rs
+6 -6
View File
@@ -31,9 +31,9 @@ widget_trait! {
} }
} }
fn sized(self, size: impl Into<Size>) -> impl WidgetFn<Rsc, Sized> { fn sized(self, size: impl Into<Size>) -> impl WidgetFn<Rsc, SetSize> {
let size = size.into(); let size = size.into();
move |state| Sized { move |state| SetSize {
inner: self.add_strong(state), inner: self.add_strong(state),
x: Some(size.x), x: Some(size.x),
y: Some(size.y), y: Some(size.y),
@@ -58,18 +58,18 @@ widget_trait! {
} }
} }
fn width(self, len: impl Into<Len>) -> impl WidgetFn<Rsc, Sized> { fn width(self, len: impl Into<Len>) -> impl WidgetFn<Rsc, SetSize> {
let len = len.into(); let len = len.into();
move |state| Sized { move |state| SetSize {
inner: self.add_strong(state), inner: self.add_strong(state),
x: Some(len), x: Some(len),
y: None, y: None,
} }
} }
fn height(self, len: impl Into<Len>) -> impl WidgetFn<Rsc, Sized> { fn height(self, len: impl Into<Len>) -> impl WidgetFn<Rsc, SetSize> {
let len = len.into(); let len = len.into();
move |state| Sized { move |state| SetSize {
inner: self.add_strong(state), inner: self.add_strong(state),
x: None, x: None,
y: Some(len), y: Some(len),
tests/draw_cost.rs
+17 -17
View File
@@ -4,20 +4,19 @@
//! //!
//! cargo test --release --test draw_cost -- --ignored --nocapture //! cargo test --release --test draw_cost -- --ignored --nocapture
//! //!
//! **Read the instruction count, not the clock.** Wall time here swings by 2x //! Wall time is the wrong number to read for anything under a few percent --
//! between runs of one binary on this machine -- more under `cargo test` than //! it varied by 2x between runs of one unchanged binary where instructions
//! run directly -- while instructions retired are stable to 0.1%: //! retired varied by 0.1%. Count those instead:
//! //!
//! perf stat -e instructions:u target/release/.../draw_cost-* --ignored //! perf stat -e instructions:u target/release/.../draw_cost-* --ignored
//! //!
//! Measured that way on 2026-09-13, drawing each primitive through its own //! That is how `PrimitiveRender` was measured against a match in the renderer:
//! `PrimitiveRender` rather than a match in the renderer costs **6 //! 6 instructions per list drawn, against the ~5,400 wgpu spends recording
//! instructions per list drawn**, which is 0.1% of a frame at both 256 and //! one.
//! 1024 layers. Recording one list into the pass costs wgpu ~5,400.
//! //!
//! The instance is leaked on purpose. Dropping the last one makes the Vulkan //! The instance is leaked deliberately. A Vulkan loader may unload the driver
//! loader unload Mesa's ICD, which faults when a thread that touched Vulkan //! when the last one drops, which can fault as a thread that used it exits --
//! exits -- and libtest runs every test on a spawned thread. //! and every test runs on a spawned thread.
use std::time::Instant; use std::time::Instant;
@@ -30,20 +29,20 @@ use wgpu::{Color as GpuColor, *};
const SIZE: u32 = 1024; const SIZE: u32 = 1024;
const FRAMES: u32 = 200; const FRAMES: u32 = 200;
/// Reported as the best of this many batches. The mean moves by 15% between /// Reported as the best of this many batches, since the mean moves by more
/// runs on this machine, which is more than the thing being measured. /// than the thing being measured.
const BATCHES: u32 = 8; const BATCHES: u32 = 8;
fn gpu() -> Option<(Device, Queue)> { fn gpu() -> Option<(Device, Queue)> {
// Probed rather than assumed: this machine's Vulkan device comes and goes, // Probed rather than assumed: there may be no Vulkan adapter, and GL is
// and GL is what is left when it is gone. // what is left when there is not.
let all = Instance::new(&InstanceDescriptor::default()); let all = Instance::new(InstanceDescriptor::new_without_display_handle());
let instance = match pollster::block_on(all.request_adapter(&RequestAdapterOptions::default())) let instance = match pollster::block_on(all.request_adapter(&RequestAdapterOptions::default()))
{ {
Ok(_) => all, Ok(_) => all,
Err(_) => Instance::new(&InstanceDescriptor { Err(_) => Instance::new(InstanceDescriptor {
backends: Backends::GL, backends: Backends::GL,
..Default::default() ..InstanceDescriptor::new_without_display_handle()
}), }),
}; };
// Leaked rather than dropped: see the note at the top of the file. // Leaked rather than dropped: see the note at the top of the file.
@@ -58,6 +57,7 @@ fn config(format: TextureFormat) -> SurfaceConfiguration {
SurfaceConfiguration { SurfaceConfiguration {
usage: TextureUsages::RENDER_ATTACHMENT, usage: TextureUsages::RENDER_ATTACHMENT,
format, format,
color_space: SurfaceColorSpace::Auto,
width: SIZE, width: SIZE,
height: SIZE, height: SIZE,
present_mode: PresentMode::Fifo, present_mode: PresentMode::Fifo,
tests/pointer_routing.rs
+367
View File
@@ -0,0 +1,367 @@
//! Input across layers: what stops at a layer, what passes through it, and
//! where hovering stops. These drive `run_sensors` directly, which needs no
//! GPU and no window.
use iris::prelude::*;
use std::{cell::RefCell, rc::Rc};
struct SenseRsc {
ui: UiData,
events: EventManager<SenseRsc>,
}
impl UiRsc for SenseRsc {
fn ui(&self) -> &UiData {
&self.ui
}
fn ui_mut(&mut self) -> &mut UiData {
&mut self.ui
}
fn on_draw(&mut self, active: &ActiveData) {
self.events.draw(active);
}
fn on_undraw(&mut self, active: &ActiveData) {
self.events.undraw(active);
}
fn on_remove(&mut self, id: WidgetId) {
self.events.remove(id);
}
}
impl HasState for SenseRsc {
type State = ();
}
impl HasEvents for SenseRsc {
fn events(&self) -> &EventManager<Self> {
&self.events
}
fn events_mut(&mut self) -> &mut EventManager<Self> {
&mut self.events
}
}
const WINDOW: f32 = 100.0;
/// Every sense that has fired on one widget since it was last read.
#[derive(Default, Clone)]
struct Fired(Rc<RefCell<Vec<CursorSense>>>);
impl Fired {
fn take(&self) -> Vec<CursorSense> {
std::mem::take(&mut self.0.borrow_mut())
}
}
struct Ui {
rsc: SenseRsc,
render: UiRenderState,
state: (),
}
impl Ui {
fn new() -> Self {
Self {
rsc: SenseRsc {
ui: UiData::default(),
events: EventManager::default(),
},
render: UiRenderState::new(),
state: (),
}
}
fn listen<W: Widget + ?core::marker::Sized + 'static>(
&mut self,
widget: &StrongWidget<W>,
senses: impl Into<CursorSenses>,
) -> Fired {
let fired = Fired::default();
let sink = fired.clone();
self.rsc
.register_event(widget.weak(), senses.into(), move |ctx, _rsc| {
sink.0.borrow_mut().push(ctx.data.sense)
});
fired
}
/// Stacks the widgets bottom first, each on its own layer, and lays them
/// out in a square window.
fn stack(&mut self, children: Vec<StrongWidget>) {
let root = self
.rsc
.ui
.widgets
.add_strong(Stack {
children,
size: StackSize::default(),
})
.any();
self.render.resize((WINDOW, WINDOW));
self.render.update(&root, &mut self.rsc);
}
fn cursor(&mut self, at: (f32, f32)) -> CursorState {
CursorState {
pos: at.into(),
exists: true,
buttons: Default::default(),
scroll_delta: Vec2::ZERO,
}
}
fn run(&mut self, cursor: CursorState) {
self.render.run_sensors(
&mut self.rsc,
&mut self.state,
cursor,
(WINDOW, WINDOW).into(),
);
}
}
fn full(ui: &mut Ui) -> StrongWidget<Rect> {
rect(UiColor::WHITE).add_strong(&mut ui.rsc)
}
#[test]
fn hover_stops_at_the_topmost_widget() {
let ui = &mut Ui::new();
let (bottom, middle, top) = (full(ui), full(ui), full(ui));
let bottom_hover = ui.listen(&bottom, CursorSense::HoverStart);
let middle_hover = ui.listen(&middle, CursorSense::HoverStart);
let top_hover = ui.listen(&top, CursorSense::HoverStart);
ui.stack(vec![bottom.any(), middle.any(), top.any()]);
let cursor = ui.cursor((50.0, 50.0));
ui.run(cursor);
assert_eq!(top_hover.take(), [CursorSense::HoverStart]);
assert_eq!(
middle_hover.take(),
[],
"hover is not shared with a layer below"
);
assert_eq!(bottom_hover.take(), []);
}
#[test]
fn a_scroll_passes_through_every_widget_that_does_not_want_it() {
let ui = &mut Ui::new();
let (list, button, overlay) = (full(ui), full(ui), full(ui));
let scrolled = ui.listen(&list, CursorSense::Scroll);
let clicked = ui.listen(&button, CursorSense::click());
let overlay_clicked = ui.listen(&overlay, CursorSense::click());
ui.stack(vec![list.any(), button.any(), overlay.any()]);
let mut cursor = ui.cursor((50.0, 50.0));
cursor.scroll_delta = (0.0, 10.0).into();
ui.run(cursor);
assert_eq!(
scrolled.take(),
[CursorSense::Scroll],
"two layers of click-only widgets do not stop a scroll"
);
assert_eq!(clicked.take(), []);
assert_eq!(overlay_clicked.take(), []);
}
#[test]
fn only_the_topmost_listener_takes_a_press() {
let ui = &mut Ui::new();
let (below, above) = (full(ui), full(ui));
let below_clicked = ui.listen(&below, CursorSense::click());
let above_clicked = ui.listen(&above, CursorSense::click());
ui.stack(vec![below.any(), above.any()]);
let mut cursor = ui.cursor((50.0, 50.0));
cursor.buttons.left = ActivationState::Start;
ui.run(cursor);
assert_eq!(above_clicked.take(), [CursorSense::click()]);
assert_eq!(below_clicked.take(), [], "one press goes to one widget");
}
#[test]
fn a_press_beside_the_button_reaches_the_layer_below() {
let ui = &mut Ui::new();
let list = full(ui);
// The row above the list covers it, but only its left half is the button.
let button = full(ui);
let gap = full(ui);
let list_clicked = ui.listen(&list, CursorSense::click());
let button_clicked = ui.listen(&button, CursorSense::click());
let row = ui.rsc.ui.widgets.add_strong(Span {
children: vec![button.any(), gap.any()],
dir: Dir::RIGHT,
gap: 0.0,
});
ui.stack(vec![list.any(), row.any()]);
let mut on_button = ui.cursor((20.0, 50.0));
on_button.buttons.left = ActivationState::Start;
ui.run(on_button);
assert_eq!(button_clicked.take(), [CursorSense::click()]);
assert_eq!(list_clicked.take(), []);
let mut beside_it = ui.cursor((80.0, 50.0));
beside_it.buttons.left = ActivationState::Start;
ui.run(beside_it);
assert_eq!(button_clicked.take(), [], "the cursor is not on the button");
assert_eq!(
list_clicked.take(),
[CursorSense::click()],
"a press beside the button belongs to what is under it"
);
}
#[test]
fn leaving_a_widget_still_ends_its_hover() {
let ui = &mut Ui::new();
let widget = full(ui);
let hover = ui.listen(&widget, CursorSense::HoverStart | CursorSense::HoverEnd);
ui.stack(vec![widget.any()]);
let cursor = ui.cursor((50.0, 50.0));
ui.run(cursor);
assert_eq!(hover.take(), [CursorSense::HoverStart]);
let mut gone = ui.cursor((50.0, 50.0));
gone.exists = false;
ui.run(gone);
assert_eq!(hover.take(), [CursorSense::HoverEnd]);
}
#[test]
fn leaving_a_widget_does_not_block_the_layer_below() {
let ui = &mut Ui::new();
let below = full(ui);
// Only the left half of the layer above is a widget, so the cursor can
// leave it without leaving the one underneath.
let (above, gap) = (full(ui), full(ui));
let below_hover = ui.listen(&below, CursorSense::HoverStart);
let above_hover = ui.listen(&above, CursorSense::HoverStart | CursorSense::HoverEnd);
let row = ui.rsc.ui.widgets.add_strong(Span {
children: vec![above.any(), gap.any()],
dir: Dir::RIGHT,
gap: 0.0,
});
ui.stack(vec![below.any(), row.any()]);
let on_above = ui.cursor((20.0, 50.0));
ui.run(on_above);
assert_eq!(above_hover.take(), [CursorSense::HoverStart]);
assert_eq!(below_hover.take(), [], "the layer above is over it");
let beside_it = ui.cursor((80.0, 50.0));
ui.run(beside_it);
assert_eq!(above_hover.take(), [CursorSense::HoverEnd]);
assert_eq!(
below_hover.take(),
[CursorSense::HoverStart],
"ending a hover above must not stop the hover below"
);
}
#[test]
fn hovering_a_button_above_does_not_stop_a_later_scroll() {
let ui = &mut Ui::new();
let (list, button) = (full(ui), full(ui));
let scrolled = ui.listen(&list, CursorSense::Scroll);
let clicked = ui.listen(&button, CursorSense::click());
ui.stack(vec![list.any(), button.any()]);
// The hover arrives in its own frame, as a window delivers it.
let hover = ui.cursor((50.0, 50.0));
ui.run(hover);
assert_eq!(scrolled.take(), []);
let mut wheel = ui.cursor((50.0, 50.0));
wheel.scroll_delta = (0.0, 10.0).into();
ui.run(wheel);
assert_eq!(
scrolled.take(),
[CursorSense::Scroll],
"a hover already resting on the button must not consume the wheel"
);
assert_eq!(clicked.take(), []);
}
#[test]
fn covering_a_widget_ends_its_hover() {
let ui = &mut Ui::new();
let below = full(ui);
// Only the left half of the layer above is a widget, so the cursor can
// start beside it and then move onto it.
let (above, gap) = (full(ui), full(ui));
let below_hover = ui.listen(&below, CursorSense::HoverStart | CursorSense::HoverEnd);
let above_hover = ui.listen(&above, CursorSense::HoverStart);
let row = ui.rsc.ui.widgets.add_strong(Span {
children: vec![above.any(), gap.any()],
dir: Dir::RIGHT,
gap: 0.0,
});
ui.stack(vec![below.any(), row.any()]);
let beside_it = ui.cursor((80.0, 50.0));
ui.run(beside_it);
assert_eq!(below_hover.take(), [CursorSense::HoverStart]);
let onto_above = ui.cursor((20.0, 50.0));
ui.run(onto_above);
assert_eq!(above_hover.take(), [CursorSense::HoverStart]);
assert_eq!(
below_hover.take(),
[CursorSense::HoverEnd],
"a widget covered by one that took the input is no longer hovered"
);
let off_again = ui.cursor((80.0, 50.0));
ui.run(off_again);
assert_eq!(
below_hover.take(),
[CursorSense::HoverStart],
"uncovering it hovers it again"
);
}
#[test]
fn hover_starts_and_ends_once_each() {
let ui = &mut Ui::new();
// Only the left half is the widget, so the cursor can leave it without
// leaving the window.
let (widget, gap) = (full(ui), full(ui));
let hover = ui.listen(&widget, CursorSense::HoverStart | CursorSense::HoverEnd);
let row = ui.rsc.ui.widgets.add_strong(Span {
children: vec![widget.any(), gap.any()],
dir: Dir::RIGHT,
gap: 0.0,
});
ui.stack(vec![row.any()]);
let inside = ui.cursor((20.0, 50.0));
ui.run(inside);
assert_eq!(hover.take(), [CursorSense::HoverStart]);
let further_in = ui.cursor((30.0, 50.0));
ui.run(further_in);
assert_eq!(hover.take(), [], "staying inside is not a second start");
let outside = ui.cursor((80.0, 50.0));
ui.run(outside);
assert_eq!(hover.take(), [CursorSense::HoverEnd]);
let further_out = ui.cursor((90.0, 50.0));
ui.run(further_out);
assert_eq!(hover.take(), [], "an ended hover does not end again");
let back_inside = ui.cursor((20.0, 50.0));
ui.run(back_inside);
assert_eq!(
hover.take(),
[CursorSense::HoverStart],
"re-entering starts it"
);
}